Monitor stand



FIG. 1 is a front perspective view of the monitor stand showing our new design;

FIG. 2 is a front elevational view of the monitor stand;

FIG. 3 is a back elevational view of the monitor stand;

FIG. 4 is a side elevational view of the monitor stand, the opposite side elevational view being a mirror image thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a monitor stand, as shown and described. 